C3132121111133313233121111331333133313331333133313331333133313332123321   >>    C313212111113331323312111133133313331333133313331333133313331333212332   <<    C3132121111133313233121111331333133313331333133313331333133313332123323   >>      C3132121111133313233121111331333133313331333133313331333133313332123322   >>